Home / 142,210,141.47-213,315,212.72-39,974,179.10

Finding the Fourth Proportional to 142,210,141.47, 213,315,212.72 and 39,974,179.10

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Solution

The fourth proportional to 142,210,141.47, 213,315,212.72 and 39,974,179.10 is: 59,961,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,210,141.47 : 213,315,212.72 = 39,974,179.10 : x
  2. Step 2: Convert to fraction form
    142,210,141.47/213,315,212.72 = 39,974,179.10/x
  3. Step 3: Cross multiply
    142,210,141.47x = 213,315,212.72 × 39,974,179.10
  4. Step 4: Simplify right side
    142,210,141.47x = 8,527,100,517,857,170
  5. Step 5: Solve for x
    x = 8,527,100,517,857,170/142,210,141.47
  6. Step 6: Final answer
    x = 59,961,268.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.